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Chapter 7: Beyond Black-Scholes
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Black-Scholes Model for vanilla options
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Implied volatility and volatility smile
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Continued
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Improved models Local volatility model Stochastic volatility model
Jump diffusion model Others: discrete hedging, transaction cost
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Local volatility model
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A special case: Identification of
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How to use the local volatility model
Calibration of the model: Identify the volatility function from the market prices of vanilla options Price non-traded contracts by using the model
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Stochastic volatility model
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Pricing model
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Continued
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The Market Price of Risk
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Risk neutral processes
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Derivatives on a single underlying variable
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Pricing equation
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Two Named Models Hull White Heston
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Example 1: Hull-White model
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Example 2: Heston Model
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Jump-diffusion model Poisson process
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Jump-diffusion Process
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Hedging
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Ito Lemma
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Merton’s Model (1976) Jump risks are diversified
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Summary: purpose Understand the market better Price options at the OCT market
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Beyond the Black-Scholes World
Local volatility model Stochastic volatility model Jump diffusion model
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Parameters , J Local volatility model: =(S,t)
Stochastic volatility model: Hull-White model (3 parameters) Heston model (2 parameters) Jump diffusion model , J
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